diff --git a/quest/events.py b/quest/events.py
index 65e2423..d7d4447 100644
--- a/quest/events.py
+++ b/quest/events.py
@@ -62,9 +62,9 @@ def message(socket, data):
 		try:
 			groups = [0 if d is None else int(d) for d in reg.groups()]
 			dice_num, dice_sides, dice_mod = groups
-			assert 0 < dice_num < 100
-			assert 0 < dice_sides < 100
-			assert -1000 < dice_mod < 1000
+			assert 1 <= dice_num <= 256
+			assert 1 <= dice_sides <= 256
+			assert -65536 <= dice_mod <= 65536
 		except (ValueError, AssertionError):
 			return
 		dice_results = [random.randint(1, dice_sides) for _ in range(dice_num)]
diff --git a/quest/forms.py b/quest/forms.py
index f4d287f..12987a6 100644
--- a/quest/forms.py
+++ b/quest/forms.py
@@ -8,14 +8,14 @@ class DiceCallForm(forms.Form):
 	"""
 	The form for the QM making dice calls.
 	"""
-	diceNum = forms.IntegerField(min_value=1, max_value=99)
-	diceSides = forms.IntegerField(min_value=1, max_value=99)
+	diceNum = forms.IntegerField(min_value=1, max_value=256)
+	diceSides = forms.IntegerField(min_value=1, max_value=65536)
 	diceMod = forms.IntegerField(
-		min_value=-999, max_value=999, required=False)
+		min_value=-65536, max_value=65536, required=False)
 	diceChal = forms.IntegerField(
-		min_value=1, max_value=999, required=False)
+		min_value=1, max_value=65536, required=False)
 	diceRollsTaken = forms.IntegerField(
-		min_value=1, max_value=99, required=False)
+		min_value=1, max_value=256, required=False)
 	diceStrict = forms.BooleanField(required=False)
 
 
diff --git a/quest/jinja2/quest/quest.html b/quest/jinja2/quest/quest.html
index 225feaf..c3eec58 100644
--- a/quest/jinja2/quest/quest.html
+++ b/quest/jinja2/quest/quest.html
@@ -111,17 +111,17 @@
 			<div id="QMPostDice" class="QMPostTabContent" style="display:none;">
 				Dice for the dice god.<br>
 				<form id="QMDicePostForm" action="javascript:void(0);" onsubmit="form_post('QMDicePostForm', 'dice_post');">
-					Dice: <input type="number" name="diceNum" min="1" max="99" required>
-					d <input type="number" name="diceSides" min="1" max="99" required>
-					±<input type="number" name="diceMod" min="-999" max="999">
+					Dice: <input type="number" name="diceNum" min="1" max="256" required>
+					d <input type="number" name="diceSides" min="1" max="65536" required>
+					±<input type="number" name="diceMod" min="-65536" max="65536">
 					<input type="checkbox" name="diceStrict">
 					<span class="tooltip" title="Only take matching rolls.">Strict</span><br>
 					<input type="checkbox" onclick="document.getElementById('diceChal').disabled=!this.checked;">
 					<span class="tooltip" title="Dice challenge">DC:</span>
-					<input type="number" name="diceChal" id="diceChal" min="1" max="999" disabled><br>
+					<input type="number" name="diceChal" id="diceChal" min="1" max="65536" disabled><br>
 					<input type="checkbox" onclick="document.getElementById('diceRollsTaken').disabled=!this.checked;">
 					<span class="tooltip" title="Automatically close the dice call after this many rolls have been made.">Rolls Taken:</span>
-					<input type="number" name="diceRollsTaken" id="diceRollsTaken" min="1" max="99" disabled><br>
+					<input type="number" name="diceRollsTaken" id="diceRollsTaken" min="1" max="256" disabled><br>
 					<input type="submit" name="submit" value="Roll 'em">
 				</form>
 			</div>
diff --git a/quest/migrations/0004_auto_20180924_0931.py b/quest/migrations/0004_auto_20180924_0931.py
new file mode 100644
index 0000000..92923bc
--- /dev/null
+++ b/quest/migrations/0004_auto_20180924_0931.py
@@ -0,0 +1,34 @@
+# Generated by Django 2.1.1 on 2018-09-24 13:31
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('quest', '0003_quest_anon_name'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='dicecall',
+            name='dice_challenge',
+            field=models.IntegerField(blank=True, null=True, validators=[django.core.validators.MinValueValidator(1), django.core.validators.MaxValueValidator(65536)]),
+        ),
+        migrations.AlterField(
+            model_name='dicecall',
+            name='dice_roll',
+            field=models.CharField(max_length=16),
+        ),
+        migrations.AlterField(
+            model_name='dicecall',
+            name='rolls_taken',
+            field=models.IntegerField(blank=True, null=True, validators=[django.core.validators.MinValueValidator(1), django.core.validators.MaxValueValidator(256)]),
+        ),
+        migrations.AlterField(
+            model_name='diceroll',
+            name='roll',
+            field=models.CharField(max_length=16),
+        ),
+    ]
diff --git a/quest/models.py b/quest/models.py
index 74e7257..8519302 100644
--- a/quest/models.py
+++ b/quest/models.py
@@ -56,22 +56,22 @@ class DiceCall(models.Model):
 		on_delete=models.CASCADE,
 		primary_key=True,
 	)
-	dice_roll = models.CharField(max_length=9)
+	dice_roll = models.CharField(max_length=16)
 	strict = models.BooleanField()
 	dice_challenge = models.IntegerField(
 		null=True,
 		blank=True,
 		validators=[
-			MaxValueValidator(999),
-			MinValueValidator(1)
+			MinValueValidator(1),
+			MaxValueValidator(65536),
 		]
 	)
 	rolls_taken = models.IntegerField(
 		null=True,
 		blank=True,
 		validators=[
-			MaxValueValidator(99),
-			MinValueValidator(1)
+			MinValueValidator(1),
+			MaxValueValidator(256),
 		]
 	)
 	open = models.BooleanField()
@@ -87,7 +87,7 @@ class DiceRoll(models.Model):
 		on_delete=models.CASCADE,
 		primary_key=True,
 	)
-	roll = models.CharField(max_length=9)
+	roll = models.CharField(max_length=16)
 	results = models.TextField()
 	total = models.IntegerField()